Economy
API Architecture: The Invisible Engine Powering Modern Banking
By Echezona Agubata
Banking has evolved far beyond the days of paper ledgers and long queues. Today, it’s a dynamic force driving Nigeria’s economy, responding to customers in real time, and powering digital innovation. The unsung hero behind this transformation is the Application Programming Interface (API)—a tool that lets bank systems communicate seamlessly with each other and external partners.
In Nigeria’s fast-growing digital finance landscape, APIs are the invisible engine enabling banks to offer instant balance checks, process payments at retail checkouts, or verify identities for loan approvals. The secret to their success? A robust API architecture, the structured framework that makes banking secure, scalable, and innovative.
Picture API architecture as a bridge connecting islands of financial services. It allows banks to share data securely. In Nigeria, where digital banking is literarily booming, APIs let banks like Coronation Merchant Bank expand services without rebuilding infrastructure. This flexibility fuels innovation, enabling tailored solutions for everyone from small businesses to large corporations.
The Central Bank of Nigeria (CBN) along with Industry players ensure this ecosystem is secure and trustworthy. Its regulations mandate standards like OAuth 2.0 for authentication, tokenization to protect data, and encrypted channels to safeguard transactions. Real-time monitoring and customer consent protocols further build trust, ensuring data is shared only with permission. These rules aren’t just technical or ethical—they’re the backbone of Nigeria’s open banking system, fostering collaboration and innovation.
How do APIs work? Imagine a well-orchestrated machine. The API acts as
● A Gateway: the gatekeeper to a product. It authenticates requests and ensures only authorized people are granted access to the product. It also helps limit the number of requests that can be made for the product at any given time. For instance, when a bank’s mobile app requests a customer’s transaction history, the transaction history API (as a gateway) verifies access (both customer and mobile app) before treating the transaction history request.
- A Guide: the protocol or security who ensures that even authenticated users are only allowed to access products and data that they are authorized to have
- A Funnell: the pipe that ensures that authenticated users access products and data from known locations/sources to known destinations
- An Agent: the agent that ensures that applications regardless of the service offering have access to data/products in the same way as every other application. This gives unified experience across respective platforms that are consuming the service/data offered by the API
Here’s a simplified view of the flow:
Explanation: An app or corporate system sends a request to the API gateway, which authenticates and routes it. The orchestration layer processes it using endpoints, pulling data from the core system via middleware.
The orchestration layer (behind the gateway) breaks services—like catalog, shopping cart, or ordering—into modular endpoints, like building blocks online shops can share securely. The modular endpoints connect these APIs to core systems, translating the requests into formats that can be processed by the core system. Companies also provide developer portals with clear documentation and sandbox environments, simplifying integration for partners.
This architecture can be built for scale. Banks process millions of transactions daily using load balancing to scale out resources, and distribute traffic in a dynamic fashion. This architecture could incorporate the use of in-memory databases and Queueing technologies to cache frequently used data for swifter processing. More so, this introduces rate limiting features which help isolate any problem areas without affecting the entire service as a whole.
Challenges abound. One of such is the existence of legacy systems as many banks and organizations often rely on decades-old mainframes (core systems), thus requiring a middleware solution to bridge old and new systems—a complex but critical step. Another recent challenge is the need to enforce data privacy expectations, this has made encryption and data masking a necessary action. Encryption in itself comes with its own attendant side-effects especially where applied on data without proper service governance. It can slow performance, so banks and organizations use caching and optimized data flows to balance speed and security. Compliance with CBN guidelines and Nigeria’s data privacy laws demands robust
consent management and audit trails. Versioning APIs (e.g., /v1/payments) prevents disruptions when systems evolve.
Real-world examples highlight APIs’ impact. Coronation Merchant Bank built the Dangote ISOP Collection API to streamline payments for Dangote’s distributors. These payments were previously riddled with slow reconciliations and delayed cash flow. The API integrates payments directly into Dangote’s ERP system and thereby automating the process, reducing errors, and strengthening business ties. Another bank used a KYC API to verify customer identities for loan applications, cutting onboarding time while meeting CBN standards. A third example involves a major Nigerian bank’s payment API, which enables instant corporate transfers for retailers, ensuring funds clear in seconds during peak sales.
APIs are also driving open finance. The CBN’s 2023 guidelines expand APIs to cover credit, investment, and insurance data, enabling embedded finance—loans at retail checkouts or savings tools linked to salary accounts. This makes banking invisible yet ever-present, blending into daily life.
The future is exciting. Banks are adopting API-first design, prioritizing APIs as core interfaces for faster innovation. AI-driven APIs are emerging, enabling fraud detection or tailored loan offers. Blockchain-based APIs promise secure cross-border payments. Event-driven architectures, using tools like Kafka, process real-time events like transaction alerts, boosting efficiency.
At Coronation Merchant Bank, our APIs are business enablers. Our custom solutions, like the Dangote integration, solve real-world problems, while our investment banking desk advises on capital raising and partnerships, helping clients stay competitive. APIs lower barriers, drive growth, and deliver seamless experiences for customers.
Nigeria’s financial future isn’t about who holds the most assets—it’s about who builds the strongest connections between data, money, and people. API architecture is the invisible engine powering that future, creating a connected, inclusive banking ecosystem.
By Adedapo Adesanya
The Central Securities Clearing System (CSCS) Plc has declared the first interim dividend in its history after posting its financial results for the first half of 2026, reflecting robust earnings growth, improved operating efficiency and stronger capital market activity.
The board approved an interim dividend of N1.00 per ordinary share for the six months ended June 30, 2026, citing the company’s strong cash generation, resilient balance sheet and confidence in the sustainability of its earnings.
The interim payout represents about 56 per cent of the total dividend of N1.78 per share paid for the 2025 financial year, underscoring its strong earnings momentum while preserving financial flexibility to invest in technology, innovation and future growth.
CSCS recorded one of the strongest financial performances in its history during the review period, with total operating income rising by 92 per cent to N18.51 billion from the corresponding period of 2025.
The growth was driven by higher transaction fee income as capital market activity strengthened, continued expansion in depository services, increased collateral management revenues and stronger contributions from data and technology-enabled services. Investment income also improved as the company optimised its investment portfolio.
Despite the sharp rise in revenue, operating expenses increased by only 38 per cent, reflecting disciplined cost management and the scalability of the company’s business model.
As a result, operating profit surged by 186 per cent to N10.11 billion, while profit before tax climbed by 115 per cent to N13.21 billion. Earnings per share also rose significantly to 190.1 kobo from 109.1 kobo in the corresponding period of 2025.
The organisation also recorded improvements in operating efficiency. Its cost-to-income ratio declined to 45.4 per cent from 63.2 per cent a year earlier, while operating profit margin improved to 54.6 per cent from 36.8 per cent.
According to the company, the results demonstrate not only the benefits of stronger market activity but also the resilience of its operating model and its ability to convert revenue growth into higher profitability, improved shareholder returns and sustainable long-term value creation.
Commenting on the interim dividend, the Chairman of CSCS Plc, Mr Temi Popoola, said the board’s decision reflected confidence in the firm’s financial strength, earnings quality and long-term strategic direction.
He said the strong performance was driven not only by increased market activity but also by sustained improvements in operational efficiency, disciplined cost management and the continued diversification of revenue streams.
Mr Popoola noted that the Board remained committed to balancing shareholder returns with investments in technology, innovation, resilience and new growth opportunities that would strengthen CSCS’ position as Nigeria’s leading financial market infrastructure and one of Africa’s foremost post-trade institutions.
The chief executive of CSCS Plc, Mr Shehu Yahaya Shantali, attributed the strong performance to the resilience of the entity’s business model, the dedication of its workforce and the confidence of market participants.
He said the first-ever interim dividend demonstrated the company’s ability to translate strong earnings growth and improved operating efficiency into enhanced shareholder value.
Mr Shantali added that CSCS would continue to strengthen its core market infrastructure, invest in technology and innovation, diversify its revenue base and enhance value creation for stakeholders while supporting the development of Nigeria’s capital market.
By Aduragbemi Omiyale
The national scale long-term issuer rating of Axxela Limited has been upgraded by GCR Rating to A+(NG), just as its short-term issuer rating was affirmed with a stable outlook.
The rating firm upgraded the long-term issue rating for Axxela Funding 1 Plc’s N16.4 billion series 1 senior unsecured bond to A+(NG), while the N11.5 billion series 1 senior secured bond was lifted to A+(NG)(EL).
GCR noted in a note that the actions reflect the leading gas and power portfolio company’s robust business model, strong earnings performance, and sustained financial profile, reinforcing its ability to deliver long-term value while maintaining financial discipline.
Axxela’s recent achievements have been driven by its continued focus on responsible growth, customer satisfaction, and creating lasting value for national development.
“The ratings upgrade by GCR is a strong endorsement of Axxela’s disciplined approach to business. Beyond recognising our financial strength, it reflects the resilience of our business model and the confidence in our strategic direction.
“Over the past few years, we have continued to make significant strides across the business by expanding our natural gas infrastructure, strengthening our operational footprint, advancing our sustainability agenda, and maintaining an unwavering commitment to operational excellence and safety,” the chief executive of Axxela, Mr Moshood Olajide, commented on the development.
As the company continues to advance its long-term growth strategy, the upgraded ratings reinforce confidence in Axxela’s credit profile, financial resilience, and ability to create enduring value for investors, customers and other stakeholders.
By Adedapo Adesanya
The Ministry of Solid Minerals Development and the National Identity Management Commission (NIMC) have strengthened their partnership to deploy digital identity technology, aiming to combat illegal mining and enhance security in Nigeria’s mining sector.
Speaking while receiving the Director-General and management of NIMC on a courtesy visit to his office in Abuja, the Minister of Solid Minerals Development, Mr Dele Alake, described the commission as a critical institution in Nigeria’s development architecture, stressing that effective governance could not be achieved without a credible identity management system.
“NIMC occupies a critical position in translating policy into reality. It is pivotal to the development of any nation because governance today is driven by data, technology and credible identity systems,” he added.
He noted that inadequate identification systems had weakened enforcement efforts over the years, allowing illegal mining activities to flourish in mineral-rich communities.
“Without identification, we cannot trace or track, and insecurity will flourish. In the solid minerals sector, we need effective monitoring of both legal and illegal operations.
“A credible identity ecosystem will strengthen regulation, improve enforcement and support our efforts to sanitise the sector,” Mr Alake said.
The minister identified technology, statistics, data gathering and digital identity as critical enablers for evidence-based policymaking, improved regulatory oversight, efficient licensing, investment promotion and national development.
On her part, the DG of NIMC, Mrs Abisoye Coker-Odusote, highlighted several opportunities for collaboration between both institutions, noting that the newly enacted NIMC Act has positioned Nigeria to fully embrace a digital governance ecosystem.
She explained that deeper integration of identity management into the solid minerals sector would facilitate database integration across government institutions, enhance regulatory compliance, strengthen security and law enforcement, improve monitoring of operators, and provide stronger support for the implementation of Community Development Agreements (CDAs) in mining host communities.
Mrs Coker-Odusote added that NIMC’s upgraded digital infrastructure is capable of supporting government institutions in building reliable databases, improving transparency and delivering more efficient public services.
Both institutions said they would immediately begin implementing technology-driven initiatives under the partnership, expressing confidence that expanding access to trusted digital identities for miners and other eligible residents would enhance accountability and strengthen governance in the solid minerals sector.
